# At t1 = 1.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion isa1→=(2.00m/s2)i^+(8.00m/s2)j^At t2 = 3.00 s (less than one period later), the acceleration isa2→=(8.00m/s2)i^−(2.00m/s2)j^The period is more than 2.00 s. What is the radius of the circle?

Physics for Scientists and Engineers
10th Edition
ISBN:9781337553278
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter2: Motion In One Dimension
Section: Chapter Questions
Problem 22P: In the particle under constant acceleration model, we identify the variables and parameters vxi,...
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Question

At t1 = 1.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion is

a
1

=
(
2.00

m/s
2
)
i
^
+
(
8.00

m/s
2
)
j
^
At t2 = 3.00 s (less than one period later), the acceleration is

a
2

=
(
8.00

m/s
2
)
i
^

(
2.00

m/s
2
)
j
^
The period is more than 2.00 s. What is the radius of the circle?

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